Home / 224,607.72-309,985.84-127,835.11

Finding the Fourth Proportional to 224,607.72, 309,985.84 and 127,835.11

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Solution

The fourth proportional to 224,607.72, 309,985.84 and 127,835.11 is: 176,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,607.72 : 309,985.84 = 127,835.11 : x
  2. Step 2: Convert to fraction form
    224,607.72/309,985.84 = 127,835.11/x
  3. Step 3: Cross multiply
    224,607.72x = 309,985.84 × 127,835.11
  4. Step 4: Simplify right side
    224,607.72x = 39,627,074,502.12
  5. Step 5: Solve for x
    x = 39,627,074,502.12/224,607.72
  6. Step 6: Final answer
    x = 176,427.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.